Home / 4,279.78-5,906.04-3,019.52

Finding the Fourth Proportional to 4,279.78, 5,906.04 and 3,019.52

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Solution

The fourth proportional to 4,279.78, 5,906.04 and 3,019.52 is: 4,166.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.78 : 5,906.04 = 3,019.52 : x
  2. Step 2: Convert to fraction form
    4,279.78/5,906.04 = 3,019.52/x
  3. Step 3: Cross multiply
    4,279.78x = 5,906.04 × 3,019.52
  4. Step 4: Simplify right side
    4,279.78x = 17,833,405.90
  5. Step 5: Solve for x
    x = 17,833,405.90/4,279.78
  6. Step 6: Final answer
    x = 4,166.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.